81527264

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27997}}^1$

素因数の和:28027

約数の個数: 48

約数和(自身を含む): 197553888

約数和(自身を除く): 116026624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 27997, 55994, 111988, 195979, 223976, 363961, 391958, 447952, 727922, 783916, 895904, 1455844, 1567832, 2547727, 2911688, 3135664, 5095454, 5823376, 6271328, 10190908, 11646752, 20381816, 40763632, 81527264]

約数ペア:

[(1, 81527264), (2, 40763632), (4, 20381816), (7, 11646752), (8, 10190908), (13, 6271328), (14, 5823376), (16, 5095454), (26, 3135664), (28, 2911688), (32, 2547727), (52, 1567832), (56, 1455844), (91, 895904), (104, 783916), (112, 727922), (182, 447952), (208, 391958), (224, 363961), (364, 223976), (416, 195979), (728, 111988), (1456, 55994), (2912, 27997)]